28635629484 has 192 divisors, whose sum is σ = 86412598272. Its totient is φ = 7164288000.

The previous prime is 28635629479. The next prime is 28635629507. The reversal of 28635629484 is 48492653682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3448842 + ... + 3457134.

It is an arithmetic number, because the mean of its divisors is an integer number (450065616).

Almost surely, 2^28635629484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28635629484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43206299136).

28635629484 is an abundant number, since it is smaller than the sum of its proper divisors (57776968788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28635629484 is a wasteful number, since it uses less digits than its factorization.

28635629484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8456 (or 8454 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The spelling of 28635629484 in words is "twenty-eight billion, six hundred thirty-five million, six hundred twenty-nine thousand, four hundred eighty-four".